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Finding the Fourth Proportional to 49,486.92, 68,295.78 and 28,272.84

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Solution

The fourth proportional to 49,486.92, 68,295.78 and 28,272.84 is: 39,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,486.92 : 68,295.78 = 28,272.84 : x
  2. Step 2: Convert to fraction form
    49,486.92/68,295.78 = 28,272.84/x
  3. Step 3: Cross multiply
    49,486.92x = 68,295.78 × 28,272.84
  4. Step 4: Simplify right side
    49,486.92x = 1,930,915,660.62
  5. Step 5: Solve for x
    x = 1,930,915,660.62/49,486.92
  6. Step 6: Final answer
    x = 39,018.71

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